ee2fab3847
- packing_list renders A5 content into top region of an A4 portrait page when paper=a4, so A5 paper loaded horizontally in an A4 tray prints upright - run.generate/print_document/print_api thread the optional paper param through - README: new Print Service section with A4 carrier usage + curl example - Swagger: POST /api/print description documents the A4 carrier mode
72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
"""打印编排：生成报表 PDF -> 送打印机。
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复用现有 run.generate() 完成「查询→装配→渲染→PDF→页脚盖印」全链路，
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再调用 core.printing 把 PDF 静默打印到默认/指定打印机。
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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PROJECT_ROOT = Path(__file__).resolve().parent.parent
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if str(PROJECT_ROOT) not in sys.path:
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sys.path.insert(0, str(PROJECT_ROOT))
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# run.py 在项目根，生成逻辑已验证；此处直接复用，不改动 run.py
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import run # noqa: E402
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from core.settings import settings # noqa: E402
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from core import printing # noqa: E402
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VALID_REPORTS = ("packing_list", "sign_receipt")
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def print_document(
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report_type: str,
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params: dict,
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printer: str | None = None,
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dry_run: bool = False,
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paper: str | None = None,
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) -> dict:
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"""生成报表 PDF 并打印。
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:param report_type: packing_list | sign_receipt
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:param params: 报表参数（如 paichan_no/box_no 或 receipt_no）
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:param printer: 指定打印机名；为 None 时用 settings.printers.default
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:param dry_run: True 时只构造打印命令不真正执行（用于验证链路）
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:param paper: 可选纸张承载模式。packing_list 支持 "a4" —— 渲染到 A4 纵向页面顶部，
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配合横向装载的 A5 纸正常出纸；其余报表/取值忽略。
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:return: 结构化结果（含 pdf 路径、打印命令、ok 状态）
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"""
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if report_type not in VALID_REPORTS:
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raise ValueError(f"未知报表类型：{report_type}（支持 {list(VALID_REPORTS)}）")
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# 1. 生成 PDF（run.generate 内部已做 required 参数校验与 DB 查询）
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output = run._default_output(report_type, params)
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# A4 承载模式的 PDF 用独立文件名，避免覆盖 A5 直打结果
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if report_type == "packing_list" and paper == "a4":
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output = output[:-4] + "_a4.pdf" if output.lower().endswith(".pdf") else output + "_a4"
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out_path = run.generate(report_type, params, output, paper=paper)
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# 2. 选打印机与纸张（装箱单 A5 横向 / 签收单 A4 纵向）
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target_printer = printer or settings.printers.default
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if report_type == "packing_list" and paper == "a4":
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# A4 承载：物理发送 A4 纵向指令，横向装载的 A5 纸自动承接页面顶部 148mm 内容区
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paper_settings = "paper=A4,orientation=portrait,color=bw"
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else:
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paper_settings = settings.print.settings_by_report.get(
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report_type, settings.print.default_settings
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)
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# 3. 打印
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result = printing.print_pdf(
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pdf_path=out_path,
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printer=target_printer,
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settings=paper_settings,
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sumatrapdf_path=settings.print.sumatrapdf_path,
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dry_run=dry_run,
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)
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result["report_type"] = report_type
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result["params"] = params
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return result
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